Home / 11,659.12-17,488.68-3,868.52

Finding the Fourth Proportional to 11,659.12, 17,488.68 and 3,868.52

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Solution

The fourth proportional to 11,659.12, 17,488.68 and 3,868.52 is: 5,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.12 : 17,488.68 = 3,868.52 : x
  2. Step 2: Convert to fraction form
    11,659.12/17,488.68 = 3,868.52/x
  3. Step 3: Cross multiply
    11,659.12x = 17,488.68 × 3,868.52
  4. Step 4: Simplify right side
    11,659.12x = 67,655,308.35
  5. Step 5: Solve for x
    x = 67,655,308.35/11,659.12
  6. Step 6: Final answer
    x = 5,802.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.